Problemset - Codeforces

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Codeforces Round (Div. 2)
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Problems

#	Name
448C	Painting Fence divide and conquer, dp, greedy	1900	x8172
448B	Suffix Structures implementation, strings	1400	x16098
448A	Rewards implementation	800	x24200
447B	DZY Loves Strings greedy, implementation	1000	x20274
447A	DZY Loves Hash implementation	800	x9579
446E	DZY Loves Bridges math, matrices	3100	x133
446D	DZY Loves Games math, matrices, probabilities	2800	x394
446C	DZY Loves Fibonacci Numbers data structures, math, number theory	2400	x3329
446B	DZY Loves Modification brute force, data structures, greedy	2000	x3578
446A	DZY Loves Sequences dp, implementation, two pointers	1600	x12532
445B	DZY Loves Chemistry dfs and similar, dsu, greedy	1400	x12563
445A	DZY Loves Chessboard dfs and similar, implementation	1200	x29611
444E	DZY Loves Planting binary search, dsu, trees	2700	x768
444D	DZY Loves Strings binary search, hashing, strings, two pointers	2500	x773
444C	DZY Loves Colors data structures	2400	x2912
444B	DZY Loves FFT probabilities	2300	x1067
444A	DZY Loves Physics greedy, math	1600	x3409
443B	Kolya and Tandem Repeat brute force, implementation, strings	1500	x4058
443A	Anton and Letters constructive algorithms, implementation	800	x89228
442E	Gena and Second Distance geometry	3100	x172
442D	Adam and Tree data structures, trees	2600	x989
442C	Artem and Array data structures, greedy	2500	x1773
442B	Andrey and Problem greedy, math, probabilities	1800	x5230
442A	Borya and Hanabi bitmasks, brute force, implementation	1700	x2110
441E	Valera and Number bitmasks, dp, math, probabilities	2400	x704
441D	Valera and Swaps constructive algorithms, dsu, graphs, implementation, math, string suffix structures	2100	x1107
441C	Valera and Tubes constructive algorithms, dfs and similar, implementation	1500	x11190
441B	Valera and Fruits greedy, implementation	1400	x7068
441A	Valera and Antique Items implementation	1000	x18480
440D	Berland Federalization dp, trees	2200	x684
440C	One-Based Arithmetic brute force, dfs and similar, divide and conquer	1800	x911
440B	Balancer greedy, implementation	1600	x1970
440A	Forgotten Episode implementation	800	x7332
439E	Devu and Birthday Celebration combinatorics, dp, math	2100	x1568
439D	Devu and his Brother binary search, sortings, ternary search, two pointers	1700	x6058
439C	Devu and Partitioning of the Array brute force, constructive algorithms, implementation, number theory	1700	x3871
439B	Devu, the Dumb Guy implementation, sortings	1200	x14309
439A	Devu, the Singer and Churu, the Joker greedy, implementation	900	x25293
438E	The Child and Binary Tree combinatorics, divide and conquer, fft, number theory	3100	x1883
438D	The Child and Sequence data structures, math	2300	x8531
437E	The Child and Polygon dp, geometry	2500	x706
437D	The Child and Zoo dsu, sortings	1900	x3376
437C	The Child and Toy graphs, greedy, sortings	1400	x13916
437B	The Child and Set bitmasks, greedy, implementation, sortings	1500	x9474
437A	The Child and Homework implementation	1300	x8997
436F	Banners brute force, data structures, dp	3000	x393
436E	Cardboard Box data structures, greedy	2600	x1342
436D	Pudding Monsters dp	2800	x326
436C	Dungeons and Candies dsu, graphs, greedy, trees	1800	x2658
436B	Om Nom and Spiders implementation, math	1400	x3054
436A	Feed with Candy greedy	1500	x3470
435E	Special Graph	2500	x240
435D	Special Grid brute force, dp, greedy	2000	x756
435C	Cardiogram implementation	1600	x2570
435B	Pasha Maximizes greedy	1400	x7000
435A	Queue on Bus Stop implementation	1000	x10157
434E	Furukawa Nagisa's Tree binary search, divide and conquer, sortings, trees	3000	x260
434D	Nanami's Power Plant flows	2900	x464
433E	Tachibana Kanade's Tofu dp	2500	x478
433D	Nanami's Digital Board dsu, implementation	2000	x1242
433C	Ryouko's Memory Note implementation, math, sortings	1800	x2486
433B	Kuriyama Mirai's Stones dp, implementation, sortings	1200	x39326
433A	Kitahara Haruki's Gift brute force, implementation	1100	x16317
432E	Square Tiling constructive algorithms, greedy	2300	x690
432D	Prefixes and Suffixes dp, string suffix structures, strings, two pointers	2000	x9051
432C	Prime Swaps greedy, sortings	1800	x2517
432B	Football Kit brute force, greedy, implementation	1200	x11660
432A	Choosing Teams greedy, implementation, sortings	800	x59414
431E	Chemistry Experiment binary search, data structures, ternary search	2200	x1001
431D	Random Task binary search, bitmasks, combinatorics, dp, math	2100	x2313
431C	k-Tree dp, implementation, trees	1600	x25535
431B	Shower Line brute force, implementation	1200	x10792
431A	Black Square implementation	800	x54609
430B	Balls Game brute force, two pointers	1400	x3706
430A	Points and Segments (easy) constructive algorithms, sortings	1600	x2238
429E	Points and Segments graphs	3000	x860
429D	Tricky Function data structures, divide and conquer, geometry	2200	x2916
429C	Guess the Tree bitmasks, constructive algorithms, dp, greedy, trees	2300	x946
429B	Working out dp	1600	x8647
429A	Xor-tree dfs and similar, trees	1300	x10305
427E	Police Patrol greedy, implementation, math, ternary search	2000	x1428
427D	Match & Catch dp, string suffix structures, strings	2200	x2180
427C	Checkposts dfs and similar, graphs, two pointers	1700	x13890
427B	Prison Transfer data structures, implementation	1100	x13942
427A	Police Recruits implementation	800	x77631
426B	Sereja and Mirroring implementation	1300	x3795
426A	Sereja and Mugs implementation	800	x9176
425E	Sereja and Sets dp	2500	x644
425D	Sereja and Squares binary search, data structures, hashing	2300	x1433
425C	Sereja and Two Sequences data structures, dp	2300	x898
425B	Sereja and Table bitmasks, greedy	2200	x1311
425A	Sereja and Swaps brute force, sortings	1500	x3886
424E	Colored Jenga dfs and similar, dp, probabilities	2500	x132
424D	Biathlon Track binary search, brute force, constructive algorithms, data structures, dp	2300	x562
424C	Magic Formulas math	1600	x5343
424B	Megacity binary search, greedy, implementation, sortings	1200	x7507
424A	Squats implementation	900	x8401
421D	Bug in Code binary search, data structures, sortings	1900	x531
421A	Pasha and Hamsters constructive algorithms, implementation	800	x6045
420E	Playing the ball geometry	2600	x217